We understand how important it is to avoid weight while cycling, and that’s why our bike helmet mirror is unbelievably light. Coupled with the perfect shaft length, it provides unmatched functionality. Its 360° ratational clear mirror gives you a clear and , let you be aware of what’s going on around you and keep you safe. And it is very easy to install. Feature - ColorBlack - Material: metal and glass - Size: 24 x 8.8 x 2.1cm - Consists of quality rod, ABS electroplating flat mirror - Super clear mirror makes you see what’s behind you clearly - 360° ratational mirror gives you a clear and , let you be aware of what’s going on around you and keep you safe. - Easily attaches to your helmet, using an ultra-strong pad. Just set it up where you want it, then lock in your preferred adjustment. That simple! - Lightweight: No any additional weight on the side of your helmet, and no influence on the normal cycling. - Warm Tip: Dear buyer, Due to lighting effect,monitor’s brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you! Package list: 1 x Helmet rearview mirror